owlinux1000 / pwnlib

Some stuff for CTF.

pwnlib

Some stuff for CTF.

My feature

Shellcode module

You can easily use some shellcode

include Shellcode
shellcode(:x86)
orw(:x64, '/the/path/you/wanna/read') # open-read-write(stdout)
reverse_shell(:x86, '127.0.0.1', 25252)

pack/unpack

Supported pack, unpack.(only little endian)

p32(0xdeadbeef)
p32(0xdeadbeef, 0xbeefdead)
u64("AAAAAAAA")

Use constants

Some important constants was defined such as NULL, STDIN_FILENO, O_RDONLY.

Sasm

Sasm can easily assemble.

require 'sasm'

sasm = Sasm.new(:x86)
code = <<EOS
mov al,1
xor ebx, ebx
int 0x80
EOS
sasm.as(code)